72989968340

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{491}}^1\times {\mathrm{3511}}^1$

素因数の和:4113

約数の個数: 96

約数和(自身を含む): 161109768960

約数和(自身を除く): 88119800620

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 73, 116, 145, 146, 290, 292, 365, 491, 580, 730, 982, 1460, 1964, 2117, 2455, 3511, 4234, 4910, 7022, 8468, 9820, 10585, 14044, 14239, 17555, 21170, 28478, 35110, 35843, 42340, 56956, 70220, 71195, 71686, 101819, 142390, 143372, 179215, 203638, 256303, 284780, 358430, 407276, 509095, 512606, 716860, 1018190, 1025212, 1039447, 1281515, 1723901, 2036380, 2078894, 2563030, 3447802, 4157788, 5126060, 5197235, 6895604, 7432787, 8619505, 10394470, 14865574, 17239010, 20788940, 29731148, 34478020, 37163935, 49993129, 74327870, 99986258, 125844773, 148655740, 199972516, 249965645, 251689546, 499931290, 503379092, 629223865, 999862580, 1258447730, 2516895460, 3649498417, 7298996834, 14597993668, 18247492085, 36494984170, 72989968340]

約数ペア:

[(1, 72989968340), (2, 36494984170), (4, 18247492085), (5, 14597993668), (10, 7298996834), (20, 3649498417), (29, 2516895460), (58, 1258447730), (73, 999862580), (116, 629223865), (145, 503379092), (146, 499931290), (290, 251689546), (292, 249965645), (365, 199972516), (491, 148655740), (580, 125844773), (730, 99986258), (982, 74327870), (1460, 49993129), (1964, 37163935), (2117, 34478020), (2455, 29731148), (3511, 20788940), (4234, 17239010), (4910, 14865574), (7022, 10394470), (8468, 8619505), (9820, 7432787), (10585, 6895604), (14044, 5197235), (14239, 5126060), (17555, 4157788), (21170, 3447802), (28478, 2563030), (35110, 2078894), (35843, 2036380), (42340, 1723901), (56956, 1281515), (70220, 1039447), (71195, 1025212), (71686, 1018190), (101819, 716860), (142390, 512606), (143372, 509095), (179215, 407276), (203638, 358430), (256303, 284780)]